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M26.0

Non-billable

Major anomalies of jaw size

M26.0 is the ICD-10-CM code for Major anomalies of jaw size. It is a non-billable category code — use a more specific child code such as M26.00 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M26
Subcodes
9
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes1 — not coded here

Frequently asked questions

What is ICD-10 code M26.0?
M26.0 is the ICD-10-CM code for "Major anomalies of jaw size". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M26.0 a billable code?
No — M26.0 is a non-billable header code. Use a more specific child code (such as M26.00) for billing.
What are the subcodes of M26.0?
M26.0 has 9 more specific child codes, including M26.00, M26.01, M26.02.
What is excluded from M26.0?
Excludes1 (not coded here): acromegaly (E22.0); Robin's syndrome (Q87.0).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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